I am Dr.Amita and I would be glad to assist you today.
The best way to find out of you are having an extra beat would be to get an ECG done.Feeling pulse is not the perfect way to know if any rhythm disorder is present
It would be advisable to get into an urgent care and get an ECG done for this so that the nature of extra heart beat can be known
Feeling of a twitching muscle and an extra heart beat are quite different.
One can differentiate between them
If you are feeling an extra heart beat you need to get it checked
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